Brass Material Type used for Brass Hose Fittings Hose couplings : CZ 114 BS 2874 - CZ 115 c377, c380, cz122, en 12165 – cw617n, cw612n, cuzn40pb2, BS 2874 - CZ 121 Pb3 CZ 122 UNS C36000 CDA 360 DZR Brass BS 2874, CZ 131 CW 614 N EN 12164.